TREA

Yung-Shou Chen

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  • Long-Ching Town, Taichung Hsien, TW
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Patents Grantslast 30 patents

  • Information Patent Grant

    Hammerhead
    • Patent number D845736
    • Issue date Apr 16, 2019
    • Yung-Shou Chen
    • D08 - Tools and hardware
  • Information Patent Grant

    Hammerhead
    • Patent number D781123
    • Issue date Mar 14, 2017
    • Yung-Shou Chen
    • D08 - Tools and hardware
  • Information Patent Grant

    Hammerhead
    • Patent number D736051
    • Issue date Aug 11, 2015
    • Yung-Shou Chen
    • D08 - Tools and hardware
  • Information Patent Grant

    Hammer with a socket hole blocking device
    • Patent number 8,113,091
    • Issue date Feb 14, 2012
    • Yung-Shou Chen
    • B25 - HAND TOOLS PORTABLE POWER-DRIVEN TOOLS MANIPULATORS
  • Information Patent Grant

    Hammerhead
    • Patent number D648611
    • Issue date Nov 15, 2011
    • Yung-Shou Chen
    • D08 - Tools and hardware
  • Information Patent Grant

    Hammer grip
    • Patent number D648202
    • Issue date Nov 8, 2011
    • Yung-Shou Chen
    • D08 - Tools and hardware
  • Information Patent Grant

    Maul head
    • Patent number D644498
    • Issue date Sep 6, 2011
    • Yung-Shou Chen
    • D08 - Tools and hardware
  • Information Patent Grant

    Hammer grip
    • Patent number D619442
    • Issue date Jul 13, 2010
    • Yung-Shou Chen
    • D08 - Tools and hardware
  • Information Patent Grant

    Hammerhead
    • Patent number D603675
    • Issue date Nov 10, 2009
    • Yung-Shou Chen
    • D08 - Tools and hardware
  • Information Patent Grant

    Hammer
    • Patent number D588894
    • Issue date Mar 24, 2009
    • Yung-Shou Chen
    • D08 - Tools and hardware
  • Information Patent Grant

    Hand tool with vibration-damping sleeve
    • Patent number 7,448,299
    • Issue date Nov 11, 2008
    • Yung-Shou Chen
    • B25 - HAND TOOLS PORTABLE POWER-DRIVEN TOOLS MANIPULATORS
  • Information Patent Grant

    Multipurpose prying tool
    • Patent number D577978
    • Issue date Oct 7, 2008
    • Yung-Shou Chen
    • D08 - Tools and hardware
  • Information Patent Grant

    Multipurpose prying tool
    • Patent number D577273
    • Issue date Sep 23, 2008
    • Yung-Shou Chen
    • D08 - Tools and hardware
  • Information Patent Grant

    Multipurpose prying tool
    • Patent number D577274
    • Issue date Sep 23, 2008
    • Yung-Shou Chen
    • D08 - Tools and hardware
  • Information Patent Grant

    Sledge hammer head
    • Patent number D574690
    • Issue date Aug 12, 2008
    • Yung-Shou Chen
    • D08 - Tools and hardware
  • Information Patent Grant

    Multipurpose crowbar
    • Patent number D572106
    • Issue date Jul 1, 2008
    • Yung-Shou Chen
    • D08 - Tools and hardware
  • Information Patent Grant

    Multipurpose lever type tool
    • Patent number 7,367,545
    • Issue date May 6, 2008
    • Yung-Shou Chen
    • B66 - HOISTING LIFTING HAULING
  • Information Patent Grant

    Hammerhead
    • Patent number D556532
    • Issue date Dec 4, 2007
    • Yung-Shou Chen
    • D08 - Tools and hardware
  • Information Patent Grant

    Hammerhead
    • Patent number D550055
    • Issue date Sep 4, 2007
    • Yung-Shou Chen
    • D08 - Tools and hardware
  • Information Patent Grant

    Hammerhead
    • Patent number D549540
    • Issue date Aug 28, 2007
    • Yung-Shou Chen
    • D08 - Tools and hardware
  • Information Patent Grant

    Hammerhead
    • Patent number D549065
    • Issue date Aug 21, 2007
    • Yung-Shou Chen
    • D08 - Tools and hardware
  • Information Patent Grant

    Hammerhead
    • Patent number D536592
    • Issue date Feb 13, 2007
    • Yung-Shou Chen
    • D08 - Tools and hardware
  • Information Patent Grant

    Hammerhead
    • Patent number D534409
    • Issue date Jan 2, 2007
    • Yung-Shou Chen
    • D08 - Tools and hardware
  • Information Patent Grant

    Tool handle cover
    • Patent number D534410
    • Issue date Jan 2, 2007
    • Yung-Shou Chen
    • D08 - Tools and hardware
  • Information Patent Grant

    Hammerhead
    • Patent number D530583
    • Issue date Oct 24, 2006
    • Yung-Shou Chen
    • D08 - Tools and hardware
  • Information Patent Grant

    Hammerhead
    • Patent number D528890
    • Issue date Sep 26, 2006
    • Yung-Shou Chen
    • D08 - Tools and hardware
  • Information Patent Grant

    Hammer having a detachable bell
    • Patent number 7,107,874
    • Issue date Sep 19, 2006
    • Yung-Shou Chen
    • B25 - HAND TOOLS PORTABLE POWER-DRIVEN TOOLS MANIPULATORS

Patents Applicationslast 30 patents

  • Information Patent Application

    CLAW HAMMER
    • Publication number 20190061130
    • Publication date Feb 28, 2019
    • Yung-Shou Chen
    • B25 - HAND TOOLS PORTABLE POWER-DRIVEN TOOLS MANIPULATORS
  • Information Patent Application

    NAIL PULLER
    • Publication number 20150158163
    • Publication date Jun 11, 2015
    • Yung-Shou Chen
    • B25 - HAND TOOLS PORTABLE POWER-DRIVEN TOOLS MANIPULATORS
  • Information Patent Application

    MULTI-FUNCTIONAL HAND TOOL
    • Publication number 20110314615
    • Publication date Dec 29, 2011
    • Yung-Shou Chen
    • B25 - HAND TOOLS PORTABLE POWER-DRIVEN TOOLS MANIPULATORS
  • Information Patent Application

    HAMMER WITH TITANIUM ALLOY STRIKING FACE
    • Publication number 20110314970
    • Publication date Dec 29, 2011
    • Yung-Shou Chen
    • B25 - HAND TOOLS PORTABLE POWER-DRIVEN TOOLS MANIPULATORS
  • Information Patent Application

    VIBRATION ABSORBING STRUCTURE OF A HAND TOOL
    • Publication number 20110314969
    • Publication date Dec 29, 2011
    • Yung-Shou Chen
    • B25 - HAND TOOLS PORTABLE POWER-DRIVEN TOOLS MANIPULATORS
  • Information Patent Application

    HAMMER WITH A SOCKET HOLE BLOCKING DEVICE
    • Publication number 20100319496
    • Publication date Dec 23, 2010
    • Yung-Shou Chen
    • B25 - HAND TOOLS PORTABLE POWER-DRIVEN TOOLS MANIPULATORS
  • Information Patent Application

    HAMMER WITH A PRY BAR
    • Publication number 20100043149
    • Publication date Feb 25, 2010
    • Yung-Shou Chen
    • B66 - HOISTING LIFTING HAULING
  • Information Patent Application

    HAMMERHEAD WITH LATERAL NAIL-PULLING GROOVE
    • Publication number 20100038609
    • Publication date Feb 18, 2010
    • Yung-Shou Chen
    • B25 - HAND TOOLS PORTABLE POWER-DRIVEN TOOLS MANIPULATORS
  • Information Patent Application

    Method for making a hammer
    • Publication number 20080189930
    • Publication date Aug 14, 2008
    • Yung-Shou Chen
    • B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
  • Information Patent Application

    MULTIPURPOSE PRYING TOOL
    • Publication number 20080072714
    • Publication date Mar 27, 2008
    • Yung-Shou Chen
    • B25 - HAND TOOLS PORTABLE POWER-DRIVEN TOOLS MANIPULATORS
  • Information Patent Application

    MULTIPURPOSE PRYING TOOL
    • Publication number 20080072713
    • Publication date Mar 27, 2008
    • Yung-Shou Chen
    • B25 - HAND TOOLS PORTABLE POWER-DRIVEN TOOLS MANIPULATORS
  • Information Patent Application

    HAMMER STRUCTURE
    • Publication number 20080066582
    • Publication date Mar 20, 2008
    • Yung-Shou Chen
    • B25 - HAND TOOLS PORTABLE POWER-DRIVEN TOOLS MANIPULATORS
  • Information Patent Application

    UV-TREATED WOODEN TOOL HANDLE
    • Publication number 20070275251
    • Publication date Nov 29, 2007
    • Yung-Shou Chen
    • B25 - HAND TOOLS PORTABLE POWER-DRIVEN TOOLS MANIPULATORS
  • Information Patent Application

    HANDLE FOR HAMMER
    • Publication number 20070131061
    • Publication date Jun 14, 2007
    • Yung-Shou Chen
    • B25 - HAND TOOLS PORTABLE POWER-DRIVEN TOOLS MANIPULATORS
  • Information Patent Application

    HAMMER HAVING A SIDE WORKING FACE
    • Publication number 20070089571
    • Publication date Apr 26, 2007
    • Yung-Shou Chen
    • B25 - HAND TOOLS PORTABLE POWER-DRIVEN TOOLS MANIPULATORS
  • Information Patent Application

    Polarization optical devices and liquid crystal display modules uti...
    • Publication number 20060077316
    • Publication date Apr 13, 2006
    • AU Optronics Corp.
    • Zen-Yuan Chi
    • G02 - OPTICS